ArchiveBox/archivebox/extractors/media.py

121 lines
4.2 KiB
Python

__package__ = 'archivebox.extractors'
from pathlib import Path
from typing import Optional
from ..index.schema import Link, ArchiveResult, ArchiveOutput, ArchiveError
from ..system import run, chmod_file
from ..util import enforce_types, is_static_file, dedupe
from ..logging_util import TimedProgress
def get_output_path():
return 'media/'
def get_embed_path(archiveresult=None):
if not archiveresult:
return get_output_path()
out_dir = archiveresult.snapshot_dir / get_output_path()
try:
return get_output_path() + list(out_dir.glob('*.mp4'))[0].name
except IndexError:
return get_output_path()
@enforce_types
def should_save_media(link: Link, out_dir: Optional[Path]=None, overwrite: Optional[bool]=False) -> bool:
from plugins_extractor.ytdlp.apps import YTDLP_CONFIG
if is_static_file(link.url):
return False
out_dir = out_dir or Path(link.link_dir)
if not overwrite and (out_dir / get_output_path()).exists():
return False
return YTDLP_CONFIG.USE_YTDLP
@enforce_types
def save_media(link: Link, out_dir: Optional[Path]=None, timeout: int=0) -> ArchiveResult:
"""Download playlists or individual video, audio, and subtitles using youtube-dl or yt-dlp"""
# from plugins_extractor.chrome.apps import CHROME_CONFIG
from plugins_extractor.ytdlp.apps import YTDLP_BINARY, YTDLP_CONFIG
YTDLP_BIN = YTDLP_BINARY.load()
assert YTDLP_BIN.abspath and YTDLP_BIN.version
timeout = timeout or YTDLP_CONFIG.YTDLP_TIMEOUT
out_dir = out_dir or Path(link.link_dir)
output: ArchiveOutput = get_output_path()
output_path = out_dir / output
output_path.mkdir(exist_ok=True)
# later options take precedence
options = [
*YTDLP_CONFIG.YTDLP_EXTRA_ARGS,
*([] if YTDLP_CONFIG.YTDLP_CHECK_SSL_VALIDITY else ['--no-check-certificate']),
# TODO: add --cookies-from-browser={CHROME_USER_DATA_DIR}
]
cmd = [
str(YTDLP_BIN.abspath),
*dedupe(options),
link.url,
]
status = 'succeeded'
timer = TimedProgress(timeout, prefix=' ')
try:
result = run(cmd, cwd=str(output_path), timeout=timeout + 1, text=True)
chmod_file(output, cwd=str(out_dir))
if result.returncode:
if ('ERROR: Unsupported URL' in result.stderr
or 'HTTP Error 404' in result.stderr
or 'HTTP Error 403' in result.stderr
or 'URL could be a direct video link' in result.stderr
or 'Unable to extract container ID' in result.stderr):
# These happen too frequently on non-media pages to warrant printing to console
pass
else:
hints = (
'Got yt-dlp response code: {}.'.format(result.returncode),
*result.stderr.split('\n'),
)
raise ArchiveError('Failed to save media', hints)
except Exception as err:
status = 'failed'
output = err
finally:
timer.end()
# add video description and subtitles to full-text index
# Let's try a few different
index_texts = [
# errors:
# * 'strict' to raise a ValueError exception if there is an
# encoding error. The default value of None has the same effect.
# * 'ignore' ignores errors. Note that ignoring encoding errors
# can lead to data loss.
# * 'xmlcharrefreplace' is only supported when writing to a
# file. Characters not supported by the encoding are replaced with
# the appropriate XML character reference &#nnn;.
# There are a few more options described in https://docs.python.org/3/library/functions.html#open
text_file.read_text(encoding='utf-8', errors='xmlcharrefreplace').strip()
for text_file in (
*output_path.glob('*.description'),
*output_path.glob('*.srt'),
*output_path.glob('*.vtt'),
*output_path.glob('*.lrc'),
*output_path.glob('*.lrc'),
)
]
return ArchiveResult(
cmd=cmd,
pwd=str(out_dir),
cmd_version=str(YTDLP_BIN.version),
output=output,
status=status,
index_texts=index_texts,
**timer.stats,
)